Explosive composition



Patented July 28, 1925.

. a n l ii's e l; wfivzsrm s N 'FIC (wannabes-Tamar or MARCH 3. 1883 52 'sr'AnL. as; i

st ital ,Be. zit,known {fthat'1we, DEAN. M; 'J'Ao iviAN ofthemeth'o'ds-p-ursu ed'inthe t atnigrltof 55 5 Morris,,and State ofNew Jerseyfand Dover, planatory and inanimate tf epmts I ,re county of'Mo'rris, and State of New Jersey, h part vofthe sub"ect anterior this respectively, invented: an: Improvement in inve tio sf Explosivencornpositidns, of which the'fol- Un er' th' ,proc p y ua diiie, lowing is a specification. i

by which this substa" ce (symmetrical) isfriitrated by"treatiing the The invention described herein may be guanidine with a suflicient amount of amixused by the Government, or any of its ture of nitric and sulphuric acids. Afterofficers or employees in prosecution of work a sufficient interval the whole is then poured 65 for the Government, or byany other person into a large volume of Water. A-yellovv subin the United States, without payment to stance separates from the liquid; the preme of any royalty thereon, in accordance cipitate: thus formed is recovered by filtrawith the act of March 3,1883. c, tion.' 5 i The subject matter of this-invention is an The composition of this substance has not 70 explosive composition. yet been fully determined. It is probably The primary object of our invention is the, not a single compound as it has so far been provision of an explosive Which W 11 g obtained but a mixture of isomers or even erate great power at the moment of eX- more distantly related compounds. The P108 0 1 yet W111 e sufiiclently lllsensltlve t0 substance probably consists essentially of 75 withstand all ordlnaryshocksheXanitro-diphenyl guanidine: I A further object is the establishment of a method by which such an explosive may I E be manufactured. I I I I NH NH z With the foregoing and otherobjeots in I N6 N0 view my invention resides in the novel arrangement and combination of ingredients I I II and in the details of preparation hereinor a vdiphenyl guanidine having 7 or .8 hyafter describedand claimed, it being underdrogen atoms replaced by nitro groups as stood that changes in the precise embodiin the combination: 85 ment of the invention herein disclosed may I c o, No, he made within the scope of What is claimed i without departing from the spirit of the I invention. I i l I Experiments conducted with the phenyl V' I 0 and tolyl derivatives. of guanidine and their NO I I NO salts show that, by nitrating these deriva NH V 40 tives of guanidine or their salts, compounds 1 l N(NO1)LN(NO2) may be obtained which will have many de- I I l sirable explosive properties. The present 7 N02 invention then is intended to cover the use I I of these derivatives and the process by The substance as already obtained, how- 4 which they may be prepared. 1 ever, has been found to be slightly less sensi- Up to the present time the most satisl tive than tetryl and about more powerfactory substance treated has been diphenyl ful which makes it a highly valuable'exguanidine. Further experiments, however, plosive composition. with this and other phenyl and tolyl deriva- .The method pursued in treating the di- 50 tives is now being conducted and it is by no phenyl guanidine has been followed sucmeans intended to limit this invention to cessfully" in the treatment of other phenyl the preparation of an explosive from this andtolyl derivative of guanidine andtheir one substance alone. The process, however, salts and both the use of the substances formed by the nitration of these derivatives and the process pursued in their nitration is considered novel.

We claim: I 1. A new explosive embodying a nitrodiphenyl guanidine.

2. A new explosive embodying-a nitrophenyl derivative of guanidine.

3. A new explosive embodying a nitrotolyl derivative of guanidine.

4. A new explosive embodying a nitroaromatic derivative of guanidine.

. V 5. The process ofvpreparing anexplosive which includes treating diphenyl guanidine with nitric and sulphuric acids, pouring the whole into water and separating the precipitater thus formed.

Y '6. The process of preparing an explosive whichincludes treatinga phenyl derivative of guanidine with acids to nitrate the same,

pouring the whole into water and separating the precipitate thus formed.

'7. The process of preparing an explosive which includes treatlng a tolyl derivative of guanidine with acids to nitrate the same, pouring the whole into water and separating the precipitate thus formed. i

8. The process of preparing an explosive which includes treating an aromatic derivative of guanidine with nitric and sulphuric acids, pouring the whole into water and sepe arating the precipitate thus formed.

7 9. The process of preparing an explosive which includes treating an aromatic deriva tive of'guanidine with acids to nitrate the same, pouring the whole into water" and separating the precipitate thus formed.

DEAN M. JJACKMAN; ran-on on OLSEN. 

